<div class="alain-default__content-title">
  <h1>Download a file</h1>
</div>
<nz-card nzTitle="DEMO">
  <button
    nz-button
    *ngFor="let i of fileTypes"
    class="mr-sm"
    down-file
    [http-data]="data"
    http-url="assets/tmp/demo{{ i }}"
    file-name="demo中文"
  >
    {{ i }}
  </button>
</nz-card>
